![]() ![]() Specifies either or both of the following: Use this parameter to add a predecessor task to the specified task after removing the current predecessor task using ALTER TASK … REMOVE AFTER. Specifies the name of a new predecessor task for this child task. For more information, see the description of the AFTER parameter in. ![]() In a simple tree of tasks, a child task is triggered when the predecessor task runs and finishes successfully. The child task is suspended automatically. Use this parameter to remove the current predecessor task from the specified task before adding a new predecessor task using ALTER TASK … ADD AFTER. Specifies the name of the current predecessor task for this child task. Note that we make a best effort to ensure absolute precision, but only guarantee that tasks do not execute before their set interval occurs (e.g., in the current example, the task could first run at 9:14 AM, but will definitely not run at 9:12 AM). For example, if an INTERVAL value of 10 is set and the task is resumed at 9:03 AM, then the task runs at 9:13 AM, 9:23 AM, and so on. The base interval time starts the interval counter from the current clock time. number MINUTE), then to avoid ambiguity, the base interval time for the schedule is reset to the current time when the task is resumed. If the task schedule is set to an interval (i.e. SUSPEND puts the task into a ‘Suspended’ state. Note that accounts are currently limited to a maximum of 10000 resumed (i.e. RESUME brings a suspended task to a usable ‘Started’ state. Specifies the action to perform on the task: Identifiers enclosed in double quotes are also case-sensitive. If the identifier contains spaces or special characters, the entire string must be enclosed in double quotes. ![]() a run with an EXECUTING state in the function. When a task is suspended, or when the schedule or warehouse is modified, any current run of the task (i.e. If the AUTOCOMMIT parameter is set to FALSE at the account level, then set the parameter to TRUE for the individual task (using ALTER TASK … SET AUTOCOMMIT = TRUE). This behavior is called autocommit and is controlled with the parameter. To recursively resume all dependent tasks tied to a root task in a simple tree of tasks, query the function rather than enabling each task individually (using ALTER TASK … RESUME).īy default, a DML statement executed without explicitly starting a transaction is automatically committed on success or rolled back on failure at the end of the statement. Modifying any task in a tree of tasks requires that the root task is suspended.Ī simple tree of tasks is limited to a maximum of 1000 tasks total (including the root task) in either a resumed or suspended state. Modifying a standalone task requires that the task is suspended. the role with the OWNERSHIP privilege on the task) can set or unset properties on a task. For instructions for creating custom roles and role hierarchies, see. SECURITYADMIN or any role with the MANAGE GRANTS privilege) can then grant this custom role to any task owner role to allow altering their own tasks. TASKADMIN) and assigning the EXECUTE TASK privilege to this role. For ease of use, we recommend creating a custom role (e.g. Only account administrators (users with the ACCOUNTADMIN role) can grant the EXECUTE TASK privilege to a role. When a task is resumed, Snowflake verifies that the role with the OWNERSHIP privilege on the task also has the USAGE privilege on the warehouse assigned to the task, as well as the global EXECUTE TASK privilege if not, an error is produced. Resuming or suspending a task (using ALTER TASK … RESUME or ALTER TASK … SUSPEND, respectively) requires either the OWNERSHIP or OPERATE privilege on the task. ![]()
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